/* Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *  * Neither the name of NVIDIA CORPORATION nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#pragma once
#include <future>
#include <memory>
#include <string>

#include "nvrpc/client/client_unary.h"

#include "api.grpc.pb.h"
#include "api.pb.h"

class ClassifyResult
{
  public:
    ClassifyResult(const ::trtlab::deploy::image_client::Classifications&);
    const std::string& UUID() const { return m_UUID; }

  private:
    std::string m_UUID;
};

struct DetectionResult
{
  public:
    DetectionResult(const ::trtlab::deploy::image_client::Detections&);
    const std::string& UUID() const { return m_UUID; }

  private:
    std::string m_UUID;
};

class ImageClient
{
  public:
    ImageClient(std::string);
    ~ImageClient() {}

    std::shared_future<ClassifyResult> Classify(const std::string&, const std::string&);
    std::shared_future<DetectionResult> Detection(const std::string&, const std::string&);

  private:
    using ImageInfo = ::trtlab::deploy::image_client::ImageInfo;
    using Classifications = ::trtlab::deploy::image_client::Classifications;
    using Detections = ::trtlab::deploy::image_client::Detections;

    std::unique_ptr<::nvrpc::client::ClientUnary<ImageInfo, Classifications>> m_ClassifyClient;
    std::unique_ptr<::nvrpc::client::ClientUnary<ImageInfo, Detections>> m_DetectionClient;
};
